Professional YFQ1 Series Automatic Transfer Switching Equipment
Scope of application
YFQ1 series automatic transfer switching equipment is composed of switching unit and automatic controller.Automatic controller has three types:self-input self-recovery,self-input non self-recovery and electric net-generator,and it is connected with switching unit to form automatic switching unit with different control modes and functions.It is used in the double power supply system with AC 50Hz,rated working voltage up to 690V and below.The unit has duplex protection of electric interlock and mechanical interlock,possessing function of protecting from over-voltage,under-voltage appearing in any phase and above of the three-phase power,including the protective function of over-current and phase off in circuits.It is widely used in tall building,hospital,emporium,bank,chemical industry,military installations etc.that do not allow power off.Comform to GB/T14048.1 and IEC60947-61,IEC60947-2.
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